Demographics & People — McKinleyville, California
Population Overview
| Population (Census) | 17,152 |
| Estimated 2026 | ~17,000 |
| Median Age | 41.1 |
| Total Households | 6,797 |
| Family Households | 3,846 |
| Average Household Size | 2.52 |
| Diversity Index | 0.301 (somewhat diverse) |
Race & Ethnicity
| White | 12,562 |
| Black or African American | 71 |
| Asian | 568 |
| Hispanic or Latino | 2,035 |
Heritage & Ancestry
| Group | Count |
| Other groups | 4,616 |
| Unclassified or not reported | 4,552 |
| German | 2,485 |
| Irish | 2,313 |
| English | 2,082 |
| Hispanic: Hispanic or Latino | 1,784 |
| Italian | 1,347 |
| Hispanic: Mexican | 1,330 |
| Scottish | 524 |
| French (except Basque) | 469 |
Language
| English Only | 15,168 |
| Spanish | 740 |
| Population 5+ | 16,257 |
Veterans
| Veterans | 811 |
| Population 18+ | 13,095 |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for McKinleyville, California.